128946248

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{39409}}^1$

素因数の和:39824

約数の個数: 16

約数和(自身を含む): 242371500

約数和(自身を除く): 113425252

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 39409, 78818, 157636, 315272, 16118281, 32236562, 64473124, 128946248]

約数ペア:

[(1, 128946248), (2, 64473124), (4, 32236562), (8, 16118281), (409, 315272), (818, 157636), (1636, 78818), (3272, 39409)]